Re: [PATCH 2.5-bkcvs] capability flag for ATAPI MO drives

From: Jens Axboe (
Date: Mon Jun 02 2003 - 05:45:12 EST

On Thu, May 29 2003, Pascal Schmidt wrote:
> Hi!
> Now that ide-cd in 2.5 deals with ATAPI MO drivers, I think there
> should be a configuration/capability flag to identify the drive
> as an MO drive. This will be needed for later write support so that
> drivers/cdrom.c can tell that this drive is capable of writing.
> Please apply and/or comment.
> Jens, how will ide-cd.c/cdrom.c fly with sector sizes of 512 or
> 1024 bytes? There are MO disks with those sector sizes. I only have
> 640 MB disks with 2048 byte sector size, so I can't test.

It probably wont. I'd be reluctant to actually allow that without
someone doing the footwork of making sure it generally works. I'm not
sure it does.

Patch looks fine, btw.

Jens Axboe

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